[SDL] Flickering and division by zero in Windows

[Lilith Calbridge]

>>> On 2/24/2007 at 9:01 PM, Andre de Leiradella
<leiradella at bigfoot.com> wrote:
> Hi All,
> 
> I'm writing an SDL application but am having trouble with flickering.
I 
> tried all combinations of flags (SDL_SWSURFACE, SDL_HWSURFACE, 
> SDL_DOUBLEBUF, SDL_NOFRAME, SDL_FULLSCREEN etc.) but with no luck.
> 
> I can't show the smallest piece of code that reproduces the problem 
> because the program is scripted in Lua. But it just blits a 8-bit
image 
> over the screen and draws a semi-transparent rectangle over the
screen 
> (with SDL_gfx) and then either calls SDL_Flip or SDL_UpdateRect (I
tried 
> both). The result is always the same: the rectangle flickers.
> 
> I'm using Windows and the precompiled DLL of SDL-1.2.11. I have
compiled 
> SDL_gfx-2.0.15 into a DLL myself. I'm forcing the windib driver using
a 
> putenv just before SDL_Init.
> 
> Also, when I have a division by zero inside an script, the program
just 
> hangs instead of returning positive or negative infinity. I've read
in 
> this list that DirectX messes with FPU flags, but I'm using windib.

How would you express infinity in binary?  
 
Lilith